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[DOC File]Significant Figures Practice Worksheet
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Perform the following calculations and round according to the rule above. 1) 8.20 + 2 = 2) 13.59 + 23.25 + 20 = 3) 42.828 + 67.4629 = 4) 53.4028 - 14 = ...
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[DOC File]Mole Calculation Worksheet – Answer Key
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1) How many moles are in 15 grams of lithium? 2.2 moles. 2) How many grams are in 2.4 moles of sulfur? 77.0 grams. 3) How many moles are in 22 grams of argon?
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[DOC File]The Mathematics of Chemistry
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Chemistry: The Mathematics of Chemistry. Complete the following calculations. Include units on your answers. 1. (127 m) (23 s) 2. (5.22 m) (4.29 m) 3. 34 cm + 21 cm + 8 cm. 4. (0.45 mm) (0.28 mm) (0.85 mm) 5. (10 kg) (30 m) (5 s) 6. 1.3 moles. 3.4 L. 7. (75 kg) (5.25 m) (2.5 s) (6.3 s) 8. (56 N) (2.5 m) 9. (1.27 J + 0.22 J) (116 g) (4.8oC) 10 ...
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[DOC File]Lab 1 - Measuring Density
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Background. All matter has mass and volume. Mass is a measure of the amount of matter an object has. Its measure is usually given in grams (g) or kilograms (kg).
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[DOC File]Scientific Notation Worksheet - FREE Chemistry Materials ...
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Chemistry Author: Jeff Christopherson Last modified by: UNIT55 Created Date: 9/14/2004 2:43:00 PM Company: Unit District # 5 Other titles: Scientific Notation Worksheet Category: Chemistry - Introduction to Chemistry
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[DOC File]Empirical and Molecular Formula Worksheet
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10) A well-known reagent in analytical chemistry, dimethylglyoxime, has the empirical formula C2H4NO. If its molar mass is 116.1 g/mol, what is the molecular formula of the compound? 11) Nitrogen and oxygen form an extensive series of oxides with the general formula NxOy. One of them is a blue solid that comes apart, reversibly, in the gas phase.
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[DOC File]Chapter 1 Chemistry: Matter and Measurement
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Chemistry is a _____science. This means that experiments and calculations almost always involve _____ _____. Scientific measurements are expressed in the _____. This is a _____based system in which all of the units of a particular . quantity are related to …
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[DOC File]Worksheet #8 Equilibrium Calculations
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Worksheet C Equilibrium Calculations . Solve each problem and show all of your work in your portfolio. 1. At equilibrium, a 2.0 L flask contains: 0.200 mol of PCl5 0.30 mol of H2O 0.60 mol of HCl 0.300 mol of POCl3. Calculate the Keq for the reaction: PCl5 (g) + H2O (g) ⇄ 2HCl (g) + POCl3 (g) ...
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[DOC File]Units & Unit Conversions Worksheet
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Metric measurement is based on the number ten and makes calculations with the system relatively easy. By using the following conversion chart, converting from one unit to another is done simply by moving the decimal point: Kilo- Hecto- Deca- _____ deci- centi- milli- The blank line in the middle of the conversion chart can change depending on ...
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[DOC File]Heat Calculations Worksheet
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Specific Heat Calculations Worksheet. In a heat calculation problem, if the problem asks about melting/freezing you would multiply the mass times _____. heat of fusion. heat of vaporization. or specific heat. In a heat calculation problem, if the problem asks about a change in temperature, you would multiply the mass times _____ times the ...
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Calculations in chemistry pdf